Home / 3,130,856.40-4,318,672.14-2,069,995.26

Finding the Fourth Proportional to 3,130,856.40, 4,318,672.14 and 2,069,995.26

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Solution

The fourth proportional to 3,130,856.40, 4,318,672.14 and 2,069,995.26 is: 2,855,330.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130,856.40 : 4,318,672.14 = 2,069,995.26 : x
  2. Step 2: Convert to fraction form
    3,130,856.40/4,318,672.14 = 2,069,995.26/x
  3. Step 3: Cross multiply
    3,130,856.40x = 4,318,672.14 × 2,069,995.26
  4. Step 4: Simplify right side
    3,130,856.40x = 8,939,630,859,294.06
  5. Step 5: Solve for x
    x = 8,939,630,859,294.06/3,130,856.40
  6. Step 6: Final answer
    x = 2,855,330.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.